Home / 77,488.52-106,846.09-69,932.43

Finding the Fourth Proportional to 77,488.52, 106,846.09 and 69,932.43

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Solution

The fourth proportional to 77,488.52, 106,846.09 and 69,932.43 is: 96,427.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,488.52 : 106,846.09 = 69,932.43 : x
  2. Step 2: Convert to fraction form
    77,488.52/106,846.09 = 69,932.43/x
  3. Step 3: Cross multiply
    77,488.52x = 106,846.09 × 69,932.43
  4. Step 4: Simplify right side
    77,488.52x = 7,472,006,534.87
  5. Step 5: Solve for x
    x = 7,472,006,534.87/77,488.52
  6. Step 6: Final answer
    x = 96,427.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.